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231225s2018 xx |||||o 00| ||chi c |
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|a 10.3760/cma.j.issn.0578-1310.2018.08.014
|2 doi
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|a pubmed25n0957.xml
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|a (NLM)30078247
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a chi
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| 100 |
1 |
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|a Luo, M Z
|e verfasserin
|4 aut
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| 245 |
1 |
3 |
|a De novo NFκB2 gene mutation associated common variable immunodeficiency
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| 264 |
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1 |
|c 2018
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 01.04.2019
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|a Date Revised 07.12.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a Objective: To investigate the clinical, immunological, and molecular manifestations of nuclear factor kappa-B subunit 2 (NFκB2) gene mutation associated common variable immunodeficiency (CVID) . Methods: A 14-month-old boy diagnosed with NFκB2-mutated CVID was admitted into Children's Hospital of Chongqing Medical University in December 2015. The clinical manifestations, biochemical tests, immunological function, molecular features, treatment, and follow-up of the patient were analyzed. The Chinese and PUBMED databases were searched with the key words "NFκB2" and "immune deficiency" and related literatures were reviewed. Results: The patient had 4 episodes of pneumonias and one otitis media since the age of 6 months. The serum immunoglobulin levels were IgG 2.73 g/L, IgA<0.07 g/L, and IgM 0.12 g/L. The percentage of peripheral lymphocyte subsets demonstrated increased CD3(+)T lymphocyte (81.8%), increased CD4(+) naïve T cell (39.1%), normal B cell (14.1%), low switched memory B and plasmablast B (respectively 0.1% and 0), and lightly diminished natural killer(NK) cell (4.13%). Within the peripheral CD4(+)T cells, the percentage of regulatory T cells (1.49% (control 4.08%)), T follicular helper (3.66% (control 11.0%)), and T helper 17 (9.65% (control 15.7%)) were decreased, while the percentage of T helper 2 (60.9% (control 46.5%)) was elevated. T lymphocyte proliferative response and T cell receptor repertoire diversity were normal. NK-cell cytotoxic activity was impaired. The whole-exome sequencing harbored a de novo heterozygous nonsense mutation in exon 22 (c.2557C>T; p. Arg853X) in the C-terminus of NF-κB2. The western blotting confirmed the decreased expression of NF-κB2 (p52) protein. The patient received intravenous immunoglobulin infusion monthly (400-600 mg/kg), followed by improvement of pulmonary infection. After searching the databases, a total of 28 cases (1 Chinese and 27 non-Chinese) were identified. There were 12 cases of nonsense mutation (5 were gain-of-function mutation), and 8 cases of missense and frameshift mutations, respectively. The main clinical manifestation was respiratory infection, followed by autoimmune diseases such as alopecia and trachyonychia. Fifteen cases developed adrenocorticotrophic hormone (ACTH) deficiency. Conclusions: NF-κB2 signaling pathway played an important role in T and B lymphocyte differentiation, and NK-cell cytotoxic activity. NFκB2 mutation should be considered in cases with recurrent infections, hypogammaglobulinemia, and decreased memory B cells and plasma cells, especially when combined with ACTH deficiency
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|a Case Reports
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|a Journal Article
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|a Review
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|a Adrenocorticotrophic hormone
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| 650 |
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|a Genes
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| 650 |
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|a Immunologic deficiency syndrome
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| 650 |
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7 |
|a NF-kappa B p52 Subunit
|2 NLM
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| 650 |
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7 |
|a NFKB2 protein, human
|2 NLM
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| 700 |
1 |
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|a Xu, T
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xue, X H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Y P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, P L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, X M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tang, X M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, X D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Z Y
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Zhonghua er ke za zhi = Chinese journal of pediatrics
|d 1960
|g 56(2018), 8 vom: 02. Aug., Seite 628-632
|w (DE-627)NLM136249191
|x 0578-1310
|7 nnas
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| 773 |
1 |
8 |
|g volume:56
|g year:2018
|g number:8
|g day:02
|g month:08
|g pages:628-632
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| 856 |
4 |
0 |
|u http://dx.doi.org/10.3760/cma.j.issn.0578-1310.2018.08.014
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